Population structure of the boll weevil in cotton fields and subtropical forests of South America: a bayesian approach

The main goal of this contribution is to investigate the genetic structure of boll weevil populations from South America (Argentina and Brazil) and to make further comparisons with a putative source population from USA. Samples were collected in a Paranaense forest under reserve protection, cotton f...

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Detalles Bibliográficos
Autores principales:	Guzmán, Noelia Verónica, Lia, Verónica Viviana, Lanteri, Analía Alicia, Confalonieri, Viviana A.
Formato:	Articulo
Lenguaje:	Inglés
Publicado:	2007
Materias:	Ciencias Naturales Boll weevil RAPDs Genetic structure Bayesian approach Anthonomus grandis
Acceso en línea:	http://sedici.unlp.edu.ar/handle/10915/131721
Aporte de:	SEDICI (UNLP) de Universidad Nacional de La Plata

id	I19-R120-10915-131721
record_format	dspace
institution	Universidad Nacional de La Plata
institution_str	I-19
repository_str	R-120
collection	SEDICI (UNLP)
language	Inglés
topic	Ciencias Naturales Boll weevil RAPDs Genetic structure Bayesian approach Anthonomus grandis
spellingShingle	Ciencias Naturales Boll weevil RAPDs Genetic structure Bayesian approach Anthonomus grandis Guzmán, Noelia Verónica Lia, Verónica Viviana Lanteri, Analía Alicia Confalonieri, Viviana A. Population structure of the boll weevil in cotton fields and subtropical forests of South America: a bayesian approach
topic_facet	Ciencias Naturales Boll weevil RAPDs Genetic structure Bayesian approach Anthonomus grandis
description	The main goal of this contribution is to investigate the genetic structure of boll weevil populations from South America (Argentina and Brazil) and to make further comparisons with a putative source population from USA. Samples were collected in a Paranaense forest under reserve protection, cotton fields and non-cultivated areas. Data from anonymous molecular markers were analysed using both traditional methods of population genetics and Bayesian approaches. Results help to support a previous hypothesis on the presence of two lineages of boll weevil populations in South America: one with characteristics of recent invaders and the other with characteristics of ancient populations. The sample from Urugua-i Provincial Park (Misiones, Argentina) shows the highest percentage of polymorphic loci, the highest values of mean heterozigosity, and the largest number of population-specific alleles, all being typical features of ancient populations. Furthermore, the Urugua-i sample shows two gene pools occurring in sympatry, probably as a consequence of a secondary contact. The remaining samples reveal not only lower percentages of polymorphic loci and heterozygosity values, but also an almost negligible presence of specific alleles. Bayesian methods also suggest the occasional migration of some individuals of ancient lineages from their natural habitats in fragments of the Paranaense forest into cotton fields, and vice versa.
format	Articulo Articulo
author	Guzmán, Noelia Verónica Lia, Verónica Viviana Lanteri, Analía Alicia Confalonieri, Viviana A.
author_facet	Guzmán, Noelia Verónica Lia, Verónica Viviana Lanteri, Analía Alicia Confalonieri, Viviana A.
author_sort	Guzmán, Noelia Verónica
title	Population structure of the boll weevil in cotton fields and subtropical forests of South America: a bayesian approach
title_short	Population structure of the boll weevil in cotton fields and subtropical forests of South America: a bayesian approach
title_full	Population structure of the boll weevil in cotton fields and subtropical forests of South America: a bayesian approach
title_fullStr	Population structure of the boll weevil in cotton fields and subtropical forests of South America: a bayesian approach
title_full_unstemmed	Population structure of the boll weevil in cotton fields and subtropical forests of South America: a bayesian approach
title_sort	population structure of the boll weevil in cotton fields and subtropical forests of south america: a bayesian approach
publishDate	2007
url	http://sedici.unlp.edu.ar/handle/10915/131721
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Population structure of the boll weevil in cotton fields and subtropical forests of South America: a bayesian approach

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